sensor fault BT6 — Hot water controlling sensor not connected or defective

What does 6 mean?

The BT6 sensor, which controls hot water, is not connected or defective. For VVM 500 units, BT54 will be used as an alternative. This alarm typically resets automatically.

• sensor not connected or has a loose connection.
• Defective sensor unit.
• Temporary wiring issue.

Click steps to track your progress.

1. 1

   Check if the alarm clears automatically after a short period.

2. 2

   Power cycle the Heat Pump by turning it off at the main breaker for 30 seconds.

3. 3

   Inspect the BT6 sensor connections to ensure they are secure.

4. 4

   If the alarm persists, a service technician may need to check or replace the sensor.